Cita APA

Allan, L. D., Tynan, M. J., Campbell, S., Wilkinson, J. L., & Anderson, R. H. (1980). Echocardiographic and anatomical correlates in the fetus. Br Heart J.

Chicago Style Citation

Allan, L D., M J. Tynan, S. Campbell, J L. Wilkinson, i R H. Anderson. "Echocardiographic and Anatomical Correlates in the Fetus." Br Heart J 1980.

Cita MLA

Allan, L D., et al. "Echocardiographic and Anatomical Correlates in the Fetus." Br Heart J 1980.